Oral cavity washing device

Abstract

An oral cavity washing device includes a housing, a tubular storage space formed in the housing to store a liquid, and a pump housed in the housing to discharge the liquid. The housing includes a peripheral wall section constituting at least part of a peripheral wall of the storage space and having a supply port for supplying the liquid into the storage space, and a lid disposed at one end of the storage space to be able to entirely open and close a largest opening that is larger in area than any other opening in the housing.

What is claimed is: 
     
         1 . An oral cavity washing device that washes an oral cavity with a liquid, the oral cavity washing device comprising:
 a housing;   a storage space having a tubular shape and being located in the housing, the storage space being configured to store the liquid; and   a pump housed in the housing to discharge the liquid stored in the storage space,   wherein the housing includes:
 a peripheral wall section constituting at least part of a peripheral wall of the storage space and having a supply port for supplying the liquid from outside the housing into the storage space; and 
 a lid disposed at one end of the storage space to be able to entirely open and close a largest opening that is larger in area than any other opening in the housing. 
   
     
     
         2 . The oral cavity washing device according to  claim 1 , wherein
 the housing has a bottom,   an area of the bottom is identical to a largest area of the housing in plan view, and   the largest opening communicating with the storage space accounts for two thirds or more of the bottom.